Engine starter



D. M. MOODY ENGINE STARTER May 22, 1951 2 Sheets-Sheet 1 Filed Ju'ne 19, 1950 .QERSQI QM. Q v6 1 233m $8: n\ 95 BE INVENTOR lllooczy BY [E'ETOENEYS May 22, 1951 D. M. MOODY 2,553,930

ENGI-NE STARTER Filed June 19, 1950 I 2 Sheetsr-Sheet 2 ELECTRIC MOTOR INVENTOR DJMMoozZy M 9AM ATTORNEYS i atented May 22, 1951 UNITED STAT ES. PATENT OFFICE- ENG NE STARTER Da le Moody, Tulsa, Okla. V Application June 19, 1950;Serial No. 158,871

This invention relates to enginejstarters.

An object of this invention is to provide an engine starter embodying a prime mover with a reduction gearing and a coupling means for coupling the device to the crankshaft of an engine.

Another object of this invention is to provide in combination with an electricengine starter including a reduction gearing a fluid pressure operated means connected to the electric operator so that the engine may be started, by either a pressure operated means or an electric starter.

A further object of this. invention is to provide an engine starter including a reduction gearing and a prime mover in the form of a fluid operated elementwhich may be actuated either by gas or liquid pressure depending upon the availability ofthe fluid pressure.

A further object of thisinvention is to provide a starter of this kind which can be coupled with :various types of engines, such as stationary engines or the like, particularly of thetype used in oil fields Where fluid pressure is normally available, but an electric supply source is not available or convenient.

I With the above and other objects in View, in invention consists in the arrangement, combination and details of construction disclosed in the drawings and specification, and then more particularly pointed out in the appended claims.

In the drawings: I

Figure 1 is a detailed side elevation partly broken away of an engine starter constructed according to an embodiment of. this invention.

Figure 2 is a fragmentary sectional view taken on the line 2-2 of Figure 1.

Figure 3 is a fragmentary sectional View taken on the line 3-3 of Figure 1.

Figure 4 is a sectional view taken on the line 4-4 of Figure l.

Figure 5 is a fragmentary sectional View taken on the line 5-5 of Figure 4.

Figure 6 is a fragmentary sectional view taken on the line 66 of Figure 4.

Referring to the drawings, the numeral l designates generally an internal combustion engine of conventional construction with Which an engine starter constructed according to this invention is adapted to be secured. An electric motor generally designated as H is mounted in a housing I2, and a reduction gearing I3 i connected to the armature shaft l4 which is housed in an enlarged housing I interposed between the motor II and the reduction gearing [3.

A fly wheel I6 is secured to the armature shaft l4 and is rotatably disposed within the fly wheel 5 Claims. (01. 123-179) 2 V v I housing IS. "The reduction gearing I3 is connected to the engine it by means of an adapter generally designated as IT. The adapter I! is constructed in the form of a cylindrical or tubular member I8 formed with an annular flange [9 at its outer end which is secured to an annular flange 20 carried by the reduction gearing housing.

The forward end of the tubular member l8 has fixed thereto a plate 22 which is secured by fastening means23 to the adjacent end of the engine l0. A coupling shaft '24 extends through the tubular member l8 and-is connected "in a conventional manner-with the crankshaft of the engine HL The coupling'shaft 24 includes a toothed coupling head 25*engageable with a complementary coupling head 26 associated with the reduction gearing. l

In order to provide a means whereby the coupling shaft 24 may be rotated either by the electric motor I! or a fluid pressure source, I have provided a fluid pressure operated motor generally designated as2l. The fluid motor 21 includes a cylindrical housing 28 which is open at its inner end and is formed with an outer end wall 30. The inner. end of'the housing 28 hasflxed thereto a cylindrical flange 3| which is secured to the inner end of the housing 28 by means of an annular flange 32.

The cylindrical flange 3i is adapted to telescope over the outer end of' the motor II and is secured thereto by fastening means 33.

The motor housing 28 hasv connected there with an intake manifold 34 which is adapted to be connected to a fluid pressure source by means of a flexible tubular member 35. The housing 28 also includes an exhaust manifold 35 which is substantially larger than the intake manifold 34 and the housing 23 is formed with a relatively long exhaust opening 31 communicating with the exhaust manifold 36. An exhaust nipple 38 extends from the manifold 35 and is adapted to have secured thereto a flexible hose 39.

A rotor generally designated as 40 is rotatably mounted within the housing 28 and is formed of a plurality of radially disposed cup-shaped blades 4| secured to a hub 42. The hub 42 is threaded at its inner end onto the threaded end 43 of the armature shaft I4. The intake manifold 34 has disposed therein a jet member 44 so that the fluid pressure will be discharged against the concave sides of the blades 4| in a relatively small I stream of relatively high velocity.

' The fluid pressure used for operating the power member or motor 21 may be either liquid under pressure or may be gas or air depending upon the availability of the fluid pressure source.

In the use and operation of this invention the starter is secured to the engine II] by means of the adapter coupling l1. Where a source of electricity is available the motor Il may be used alone for starting the engine It). However, in the event a source of electricity is not available, the engine may be started by means of the pressure operated powermember 21. It is well known that in oil fields there is available natural gas under pressure, and where this gas is used the gas supply is connected to the intake manifold 3 5 by the tubular connecting member 35.

a rotor rotatably disposed in said housing, and means extending through the electric starter and adapted to connect the output end of said rotor to the engine.

3. An engine starter comprising an elongated housing having a flanged end adapted for mounting on an engine adjacent the crank shaft thereof, a coupling means rotatably mounted in said housing and adapted for operative connection with ,the crank shaft, an -:opposite end of said housing disposed from said flanged end, a rotary shaft mounted in said housing connected to said coupling and having one end thereof protrudingly disposed from said op- Rotation of the rotor 66 by the fiuidpressure 1. An auxiliary engine starter for connection to an electric starter motor mounted on an engine comprising a fluid pressure power member formed of a cylindrical housing having a flanged open end adapted for encircled engagement over an end of the electric starter motor, an intake mani- 2 fold fixed to said housing and adapted for connection with a fluid pressure source, an exhaust manifold fixed to said housing, a rotor rotatably disposed in said housing, and means connecting the output end of said rotor to the engine.

2. An auxiliary engine starter for attachment to an electric starter comprising a fluid pressure power member formed of a cylindrical housing having an open end engageable over an end of the starter, an intake manifold fixed to said housing and adapted for connection with a fiuid pressure source, a jet member in said intake manifold, an exhaust manifold fixed to said housing,

posite end of the housing, a fluid pressure motor "means drivingly connected to said exposed shaft end, said motor means having a rotor formed with a plurality of radially disposed cup-shaped blades for rotation therewith, a rotor housing peripherally disposed relative to said rotor and formed withaclosed-end disposed from anopen inner end, said open inner end having a cylindrical flange formed to a diameter greater than said opposite end of the housing and adapted to telescopingly engage thereover, a fluid intake opening in said rotor housing disposed radially of said blades, and ,an exhaust opening in said rotor housing disposed circumferentially from said intake.

4. A device as defined by claim 3 in which said fluid intake is provided with a jet member having an opening of reduced cross section directed toward said rotorblades.

5. A device as defined by claim 3 having an exhaust member 7 of increasing radial extent openingperipherallyof said rotor housing.

DALE M. MOODY.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,905,943 Lansing Apr. 25, 1933 2,068,462 Nardone Jan. 19, 1937 2,358,445 Cone Sept. 19, 1944: 2,506,663 DeGuerin May 9, 1950 

